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#======================================================================
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# P L O T _ R E S I D U A L S . P L
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# doc: Tue Jul 28 13:21:09 2015
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# dlm: Tue Jan 26 20:45:58 2016
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# (c) 2015 A.M. Thurnherr
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# uE-Info: 21 31 NIL 0 0 72 0 2 4 NIL ofnI
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#======================================================================
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# HISTORY:
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# Jul 28, 2015: - created from [LWplot_residuals]
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# Jul 30, 2015: - made it respect outGrid_ selection
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# - modified $ens_tics
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# Jan 26, 2016: - added return on no data to plot
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require "$ANTS/libGMT.pl";
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sub plot_residuals($)
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{
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my($pfn) = @_;
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return unless ($P{max_depth});
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my($xmin) = $P{min_ens}-0.5;
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my($xmax) = $P{max_ens}+0.5;
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my($ymin) = 0;
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my($ymax) = ($P{water_depth} > 0) ?
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round($P{water_depth} + 25) :
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round($P{max_depth} + $P{ADCP_bin_length});
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my($ens_width) = 10 / ($P{max_ens} - $P{min_ens} + 1);
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my($bin_length) = 10 * $P{ADCP_bin_length} /
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($P{max_depth}-$P{min_depth}+$P{ADCP_bin_length});
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my($R) = "-R$xmin/$xmax/$ymin/$ymax";
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GMT_begin($pfn,'-JX10/-10',$R,'-P');
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my($C) = "-C$WCALC/residuals.cpt";
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GMT_psxy("$C -Sr");
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for ($ens=$firstGoodEns; $ens<$LADCP_atbottom; $ens++) { # downcast
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next unless numberp($LADCP{ENSEMBLE}[$ens]->{CTD_DEPTH});
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my(@bindepth) = calc_binDepths($ens);
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for ($bin=$LADCP_firstBin-1; $bin<=$LADCP_lastBin-1; $bin++) {
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next unless ($bin+1>=$outGrid_firstBin && $bin+1<=$outGrid_lastBin);
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next unless numberp($LADCP{ENSEMBLE}[$ens]->{W}[$bin]);
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my($bi) = $bindepth[$bin]/$opt_o;
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printf(GMT "%d %f %f $ens_width $bin_length\n",
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$LADCP{ENSEMBLE}[$ens]->{NUMBER},
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$bindepth[$bin],
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$LADCP{ENSEMBLE}[$ens]->{SSCORRECTED_OCEAN_W}[$bin] - $DNCAST{MEDIAN_W}[$bi]);
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}
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}
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for ($ens=$LADCP_atbottom; $ens<=$realLastGoodEns; $ens++) { # upcast
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next unless numberp($LADCP{ENSEMBLE}[$ens]->{CTD_DEPTH});
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my(@bindepth) = calc_binDepths($ens);
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for ($bin=$LADCP_firstBin-1; $bin<=$LADCP_lastBin-1; $bin++) {
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next unless ($bin+1>=$outGrid_firstBin && $bin+1<=$outGrid_lastBin);
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next unless numberp($LADCP{ENSEMBLE}[$ens]->{W}[$bin]);
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my($bi) = $bindepth[$bin]/$opt_o;
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printf(GMT "%d %f %f $ens_width $bin_length\n",
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$LADCP{ENSEMBLE}[$ens]->{NUMBER},
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$bindepth[$bin],
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$LADCP{ENSEMBLE}[$ens]->{SSCORRECTED_OCEAN_W}[$bin] - $UPCAST{MEDIAN_W}[$bi]);
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}
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}
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if ($P{water_depth} > 0) { # SEABED
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GMT_psxy('-G204/153/102');
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print(GMT "$xmin $ymax\n$xmax $ymax\n$xmax $P{water_depth}\n $xmin $P{water_depth}\n");
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}
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GMT_unitcoords(); # LABELS
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GMT_pstext(-Gblue);
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print(GMT "0.02 0.98 12 0 0 BL $P{out_basename} $P{run_label}\n");
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my($depth_tics) = ($ymax < 1000 ) ? 'f10a100' : 'f100a500'; # AXES
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my($ens_tics) = ($ymax < 1000 ) ? 'f50a500' : 'f500a2000';
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GMT_setR($R);
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GMT_psbasemap("-B$ens_tics:'Ensemble [#]':/$depth_tics:'Depth [m]':WeSn");
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GMT_setAnnotFontSize(7); # SCALE BAR
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GMT_psscale("-E -D8/2/3/0.4 $C -B/:residuals:");
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GMT_end(); # FINISH PLOT
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}
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1; # return true on require
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